1321138780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8627}}^1$

素因数の和:8699

約数の個数: 96

約数和(自身を含む): 3246888960

約数和(自身を除く): 1925750180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 95, 124, 130, 155, 190, 247, 260, 310, 380, 403, 494, 589, 620, 806, 988, 1178, 1235, 1612, 2015, 2356, 2470, 2945, 4030, 4940, 5890, 7657, 8060, 8627, 11780, 15314, 17254, 30628, 34508, 38285, 43135, 76570, 86270, 112151, 153140, 163913, 172540, 224302, 267437, 327826, 448604, 534874, 560755, 655652, 819565, 1069748, 1121510, 1337185, 1639130, 2130869, 2243020, 2674370, 3278260, 3476681, 4261738, 5081303, 5348740, 6953362, 8523476, 10162606, 10654345, 13906724, 17383405, 20325212, 21308690, 25406515, 34766810, 42617380, 50813030, 66056939, 69533620, 101626060, 132113878, 264227756, 330284695, 660569390, 1321138780]

約数ペア:

[(1, 1321138780), (2, 660569390), (4, 330284695), (5, 264227756), (10, 132113878), (13, 101626060), (19, 69533620), (20, 66056939), (26, 50813030), (31, 42617380), (38, 34766810), (52, 25406515), (62, 21308690), (65, 20325212), (76, 17383405), (95, 13906724), (124, 10654345), (130, 10162606), (155, 8523476), (190, 6953362), (247, 5348740), (260, 5081303), (310, 4261738), (380, 3476681), (403, 3278260), (494, 2674370), (589, 2243020), (620, 2130869), (806, 1639130), (988, 1337185), (1178, 1121510), (1235, 1069748), (1612, 819565), (2015, 655652), (2356, 560755), (2470, 534874), (2945, 448604), (4030, 327826), (4940, 267437), (5890, 224302), (7657, 172540), (8060, 163913), (8627, 153140), (11780, 112151), (15314, 86270), (17254, 76570), (30628, 43135), (34508, 38285)]